AD 62-26-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-24 | Airworthiness Directives; Piper All Models PA-24 and PA-24 "250" Aircraft |
| aircraft | Piper Aircraft Inc. | PA-24-250 | Airworthiness Directives; Piper All Models PA-24 and PA-24 "250" Aircraft |
Unsafe Condition
Cracked muffler heater shrouds can cause hazardous carbon monoxide contamination in the cockpit and engine power loss.
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Required Actions
Inspect muffler components for cracks, heat deterioration, defects, or wrinkles. Pressure test mufflers at 10 p.s.i. Replace mufflers if defects are found. Rework muffler heater shrouds by enlarging openings, installing reinforcement tubes and cover plates per Piper's specifications. Install new cabin heater shrouds for certain serial ranges. Reinstall components after modifications.
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Compliance Time
within the next 50 hours' time in service after the effective date of this AD
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Affected Aircraft
Piper PA-24 and PA-24-250 aircraft with serial numbers 24-1 to 24-3284, excluding specific serial numbers already modified.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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